热氢处理对(TiB, TiC)/Ti-6Al-4V复合材料显微组织和力学性能的影响
Effect of Thermo Hydrogen Treatment on Microstructure and Mechanical Properties of (TiB, TiC)/Ti-6Al-4V Composite
摘 要
对原位反应制备的(TiB, TiC)/Ti-6Al-4V复合材料进行热氢处理, 研究了不同状态下复合材料的显微组织和力学性能。结果表明: 置氢处理降低了复合材料的相变温度, 提高了β相的含量; 氢含量为0和0.15%的复合材料热锻后获得α和β相, 氢含量为0.6%的复合材料获得α′′马氏体和β相; 除氢处理提高了复合材料在室温和400 ℃下的屈服强度和抗拉强度。
热氢处理
显微组织
力学性能
titanium matrix composite
thermo hydrogen treatment
microstructure
mechanical property
Abstract
The thermo hydrogen treatment was performed on (TiB, TiC)/Ti-6Al-4V composites prepared in situ reaction, and the microstructure and mechanical properties of the composite in different states were studied. The results show that hydrogenation decreased the phase transformation temperature and increased the β phase content. α and β phases were obtained in the composite with 0 and 0.15wt% H after hot-forging, while α′′ martensite and β phase was obtained in the composite with 0.6wt% H. Dehydrogenation treatment increased the yield strength and tensile strength of the composite at room temperature and at 400 ℃。
中图分类号 TG146.1
所属栏目 新材料 新工艺
基金项目 国家重点基础研究发展计划项目(2007CB613806); 国家自然科学基金资助项目(50871066)
收稿日期 2011/5/3
修改稿日期 2012/1/10
网络出版日期
作者单位点击查看
备注宋杰(1986-), 男, 河北唐山人, 硕士研究生。
引用该论文: SONG Jie,WANG Li-qiang,QIN Ji-ning,LV Wei-jie,ZHANG Di,HOU Hong-liang. Effect of Thermo Hydrogen Treatment on Microstructure and Mechanical Properties of (TiB, TiC)/Ti-6Al-4V Composite[J]. Materials for mechancial engineering, 2012, 36(5): 65～68
宋杰,王立强,覃继宁,吕维洁,张荻,侯红亮. 热氢处理对(TiB, TiC)/Ti-6Al-4V复合材料显微组织和力学性能的影响[J]. 机械工程材料, 2012, 36(5): 65～68
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参考文献
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【2】TJONG S C, MAI W. Processing-structure-property aspects of particulate-and whisker-reinforced titanium matrix composites[J].Compos Sci Technol, 2008, 68: 583-601.
【3】曲银化, 孙建科, 孟祥军.钛合金等温锻造技术研究进展[J].钛工业进展, 2006, 23(1): 6-9.
【4】BRIANT C.L, WANG Z.F, CHOLLOCOOP N. Hydrogen embrittlement of commercial purity titanium[J].Corrosion Sci, 2002, 44: 1875-1888.
【5】曹建玲, 沈保罗, 高升吉, 等.Ti-Al-Zr合金的氢致延迟断裂行为[J].中国有色金属学报, 2002, 12(增1): 74-77.
【6】SENKOV O N, JONAS J J, FROES F H. Recent advances in the thermohydrogen processing of titanium alloys[J].Jom, 1996, 48: 42-47.
【7】YOSHIMURA H, NAKAHIGASHI J. Ultra-fine-grain refinement and superplasticity of titanium alloys obtained through protium treatment[J].Int J Hydrog Energy, 2002, 27: 769-774.
【8】LI J Q, QIN J, LU W, et al. Hot deformation behavior and microstructure evaluation of hydrogenated Ti-6Al-4V matrix composite[J].Int J Hydrog Energy, 2009, 34: 9266-9273.
【9】MACHIDA N, NODA M, FUNAMI K, et al. Effect of hydrogenation treatment on grain refinement of reaction sintered Ti-6Al-4V alloy composites[J].Mater Trans, 2004, 45: 2288-2294.
【10】TJONG S C, MA Z Y. Microstructural and mechanical characteristics of in situ metal matrix composites[J].Mater Sci Eng, 2000, 29: 49-113.
【11】LU W, ZHANG D, ZHANG X, et al. Microstructural characterization of TiB in in situ synthesized titanium matrix composites prepared by common casting technique[J].J Alloys Compd, 2001, 327: 240-247.
【12】SENKOV O N, FROES F H. Thermohydrogen processing of titanium alloys[J].Int J Hydrog Energy, 1999, 24: 565-576.
【13】SENKOV O N, JONAS J J. Effect of phase composition and hydrogen level on the deformation behavior of titanium-hydrogen alloys[J].Metall Mater Trans A, 1996, 27: 1869-1876.
【14】HYMAN M E, MCCULLOUGH C, VALENCIA J J, et al. Microstructure evolution in TiAl alloys with B additions : conventional solidification [J].Metall Trans A, 1989, 20(9): 1847-1852.
【15】NIINOMI M, GONG T, KOBAYASHI, et al. Fracture characteristics of Ti-6Al-4V and Ti-5Al-2.5 Fe with refined microstructure using hydrogen[J].Metall Mater Trans A , 1995, 26: 1141-1151.
【16】SAN-MARTIN M F. The H-Ti (Hydrogen-Titanium) System[J].Bulletin of Alloy Phase Diagrams, 1987, 8: 30-42.
【17】YOSHIMURA H. Mezzoscopic grain refinement and improved mechanical properties of titanium materials by hydrogen treatments[J].Int J Hydrog Energy, 1997, 22: 145-150.
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